<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="./js/vue.js"></script>
</head>
<body>
    <div id="box">
        <h1>Hello {{name}}!</h1>
    </div>
<script>
    const app = new Vue({
        el : '#box',
        data : {
            name : 'zhangsan'
        }
    });
    console.log("Hello")
</script>
</body>
</html>